Home / 56,783.15-78,392.17-34,127.65

Finding the Fourth Proportional to 56,783.15, 78,392.17 and 34,127.65

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Solution

The fourth proportional to 56,783.15, 78,392.17 and 34,127.65 is: 47,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783.15 : 78,392.17 = 34,127.65 : x
  2. Step 2: Convert to fraction form
    56,783.15/78,392.17 = 34,127.65/x
  3. Step 3: Cross multiply
    56,783.15x = 78,392.17 × 34,127.65
  4. Step 4: Simplify right side
    56,783.15x = 2,675,340,681.15
  5. Step 5: Solve for x
    x = 2,675,340,681.15/56,783.15
  6. Step 6: Final answer
    x = 47,115.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.